PISTON KIT 2014 YZF250 77.0 HC, FORGED WOSSNER 8894DA, 1SM-11631-01-00
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Wossner forged piston kit 8894DA features a standard 77.00mm bore with an actual piston size of 76.95mm and a compression height of 20.20mm. This high-compression piston offers increased compression over OEM specifications (13.70:1 vs 13.50:1) and is designed for optimal combustion heat transfer. Its elliptical profile ensures uniform expansion and balanced thrust load distribution, contributing to superior strength and durability. Manufactured in Germany, this piston is a direct OEM replacement with a dome volume of -3.00cm³. Specifications include a bore size of 77.00mm, actual piston size of 76.95mm, displacement of 249cm³, stroke of 53.60mm, clearance of 0.05mm, and a Wossner compression ratio of 13.70:1. Cross-reference OEM part numbers include 1SM-11631-01-00, CW16, WP087, and 770XAS-2.
- SKU
- 56-W4962.A.WO
- Brand
- Wossner
- Availability
- In Stock (1)
Fitments (5)
| Make | Model | Year |
|---|---|---|
| YAMAHA | WRF 250 | 2015 |
| YAMAHA | WRF 250 | 2016 |
| YAMAHA | WRF 250 | 2017 |
| YAMAHA | YZF 250 | 2014 |
| YAMAHA | YZF 250 | 2015 |
- General Product Group
- Engine
- General Product Type
- Pistons & Kits
- General Size
- 77mm
- Variant Id
- 256485
FULL DESCRIPTION
Wossner Forged Piston Kit 77.00mm High Compression
Enhance your motorcycle's performance with this Wossner forged piston kit. Engineered in Germany, this high-compression piston is designed to deliver increased power and superior durability for your 249cc engine. Its advanced construction and design ensure optimal combustion and reliable performance.
Key Features
- Forged Construction: Provides exceptional strength and longevity for demanding use.
- High Compression Design: Boosts engine performance by increasing the compression ratio over OEM specifications.
- Elliptical Profile: Ensures uniform piston expansion and balanced thrust load distribution, reducing stress.
- Optimized Heat Transfer: Designed for efficient management of combustion heat, contributing to engine longevity.
- Precision Manufacturing: Made in Germany to exacting standards for a perfect fit and reliable operation.
- Direct Replacement: Intended for straightforward installation as an OEM part alternative.
Specifications
- Bore Size: 77.00mm
- Actual Piston Size: 76.95mm
- Displacement: 249cm³
- Stroke: 53.60mm
- Clearance: 0.05mm
- Dome Volume: -3.00cm³
- Wossner Compression Ratio: 13.70:1
- OEM Compression Ratio: 13.50:1
- Compression Height: 20.20mm
Cross-Reference OEM Part Numbers
- 1SM-11631-01-00
- CW16 (Lock)
- WP087 (Pin)
- 770XAS-2 (Ring Set)
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